4 5 x 7 2 July 8, 2019 16 32 64 128 4 5 x 7 )= 20 4 5 7 x 2 3 4 x 5 2x 7 4 5 x 7 1 2 4 1 5 x 7 2 3 5 4 x 2 7 6 4 5 * x 7 3 1 2 9 3 1 / 2 7/9 = x 4 2/5 5 x 4 )= 7 2x 1 4 x 5 )- 3 2x 7 5x 4 x 7 )= 2 3x 6 4 x 7 )- 5x 2 4 5x 7 2x 5 x 7 )+ 2 3x 4 X 5 4 7 2x 11 3
